[PATCH V2 2/2] pinctrl: pinctrl-imx: free if of_get_parent fails to get the parent node

From: Devendra Naga
Date: Thu Jun 07 2012 - 12:49:28 EST


of_get_parent can return null if no parent node found, so the allocated new_map
should be freed.

Signed-off-by: Devendra Naga <devendra.aaru@xxxxxxxxx>
Acked-by: Dong Aisheng <dong.aisheng@xxxxxxxxxx>
---
drivers/pinctrl/pinctrl-imx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-imx.c b/drivers/pinctrl/pinctrl-imx.c
index 7a59a59..59a5fa3 100644
--- a/drivers/pinctrl/pinctrl-imx.c
+++ b/drivers/pinctrl/pinctrl-imx.c
@@ -173,8 +173,10 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,

/* create mux map */
parent = of_get_parent(np);
- if (!parent)
+ if (!parent) {
+ kfree(new_map);
return -EINVAL;
+ }
new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
new_map[0].data.mux.function = parent->name;
new_map[0].data.mux.group = np->name;
--
1.7.9.5

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